Re: [Engine-devel] ovirt-engine repo up in gerrit.ovirt.org!

On 10/31/2011 01:29 PM, Juan Hernandez wrote: > On 10/31/2011 12:04 PM, Dennis Jacobfeuerborn wrote: >> On 10/31/2011 09:34 AM, Juan Hernandez wrote: >>> On 10/31/2011 05:55 AM, Itamar Heim wrote: >>>> On 10/31/2011 04:52 AM, Dennis Jacobfeuerborn wrote: >>>>> On 10/31/2011 03:27 AM, Itamar Heim wrote: >>>>>> On 10/30/2011 04:32 PM, Dennis Jacobfeuerborn wrote: >>>>>>> Hi Yair, >>>>>>> I managed to install the two missing dependencies from the web and now >>>>>>> the build seem to run ok but apparently 8gb of RAM are not sufficient to >>>>>>> build ovirt-engine so I'll have to give it a pass for now and wait for >>>>>>> binary releases. >>>>>> >>>>>> 8GB are more than enough. probably some config for the JVM. >>>>>> what's the error you are getting? >>>>>> did you set the JAVA_OPTS? >>>>> >>>>> I don't get an error. The build process simply uses up all memory and >>>>> the desktop becomes unusable. If I don't switch to another virtual >>>>> terminal and issue a "killall java" then the system would probably die >>>>> in the end and require a reboot (or the OOM Killer would step in an kill >>>>> some processes before that happens). >>>>> >>>>> This is a plain Fedora 15 System and I'm following the build >>>>> instructions from the wiki so right now there are no custom settings >>>>> applied. >>>> >>>> we are all building on F15, and with less than 8GB as well. >>>> which command are you running causing the hang? >>>> what does top shows when it hangs? >>>> what does maven output show when it hangs (i.e., which part of the >>>> project is causing the hang). >>> >>> The compilation of the GWT applications can take very long (more than 10 >>> minutes in a core i5 with 8GB) with intensive use of all the CPUs. This >>> could be what you are observing. Can try to build without the >>> "-Pgwt-user" and "-Pgwt-admin" options? Just to check if this is your issue. >>> >> >> This seems to be the problem. I already sent the information to Yair >> Zaslavsky (and Daniel Erez) who contacted me off-list about this (though I >> think this really belongs on the list so everybody can chime in). >> I attached the output I get. At the end I had to kill the process because >> memory usage was at about 99%. >> >> The command I'm running is: mvn install -Pgwt-admin,gwt-user >> The system monitor shows cpu usage very low (up to the problematic point >> the build seems to spend 90% of its time trying to download jar files from >> bogus sources) and memory usage increasing slightly as expected until the >> build reaches that last problematic part where all cpu cores go to 100% and >> memory usage increases until all memory is consumed. > > All those messages are expected, except the "Destroying process ..." at > the end. I assume that you get that when you kill the Java processes. > How long did you wait before killing them? I would suggest that you try > again and give it time to complete. GWT compiling is extremelly > > Also you can reduce the number of permutations generated by the GWT > compiler and that will reduce the time it takes to compile. For example, > if you are going to use Firefox only as the client you can apply the > following patch to reduce the number of permutations to just one: maybe worth to create target profiles of web admin limited to a single browser then? or allow to set this as an evnironment property so gwt_user.agent=gecko1_8 mvn clean install -Pgwt-admin can be used for this during devel?